Marin Cilic, the 2014 US Open champion, holds up a cheeky note challenging talk show host David Letterman for his newly acquired trophy as the Croat visits the set of the Late Show with David Letterman in New York City on Tuesday.

“Everything I was working for and dreaming came today,” said Marin Cilic after his victory. “For all the other players that are working hard, this is a big sign, a big hope, that if you’re working hard, things are going to pay off.”

Roger Federer fought back from a two-sets deficit for the ninth time in his career, saving two match points in the fourth set, before overcoming Gael Monfils 4-6, 3-6, 6-4, 7-5, 6-2 in their quarter-final match at the US Open.

World No. 7 Tomas Berdych joined USTA Chairman, CEO and President David Haggerty and USTA Executive Director and CEO Gordon Smith to ring the NYSE Opening Bell at The New York Stock Exchange on Thursday.

Five-time champion Roger Federer set up a quarter-final clash with two-time titlist Andy Murray at the Western & Southern Open after prevailing against Frenchman Gael Monfils 6-4, 4-6, 6-3 in the night session, Thursday in Cincinnati.

Dominic Thiem will attempt to become the first Austrian champion at the bet-at-home Cup Kitzbühel since 1993 on Saturday when he plays David Goffin in the final. Both players will be contesting their first ATP World Tour title match.